Vmu is above Vr.
vr is the speed at which the pilot initiates rotation. It may not be less than V1 or 1.05Vmca
Vmu it the speed at or above which the aircraft can safely lift of the ground and continue the take off with out hazard.
V2 is the speed atained at 35feet OEI when the aircraft is rotated at vr
it is selected to be
=>1.1vmca
=>1.2vs(1.13vs-1g)
=>vr
Yes you will be at v2 at 35 feet because your take off was planned that way. if you are limited then the screen height will be at the end of toda if not it will be somewhere before.
You must rotate the aircraft as per the SOP otherwise you copramise the height atte end of toda. If the speeds don't match then the take off calc was wrong.
